Home / 1,942,589.94-2,913,185.07-820,746.42

Finding the Fourth Proportional to 1,942,589.94, 2,913,185.07 and 820,746.42

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Solution

The fourth proportional to 1,942,589.94, 2,913,185.07 and 820,746.42 is: 1,230,823.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,942,589.94 : 2,913,185.07 = 820,746.42 : x
  2. Step 2: Convert to fraction form
    1,942,589.94/2,913,185.07 = 820,746.42/x
  3. Step 3: Cross multiply
    1,942,589.94x = 2,913,185.07 × 820,746.42
  4. Step 4: Simplify right side
    1,942,589.94x = 2,390,986,216,999.95
  5. Step 5: Solve for x
    x = 2,390,986,216,999.95/1,942,589.94
  6. Step 6: Final answer
    x = 1,230,823.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.